Finding the Fourth Proportional to 1,051,713.52, 1,453,816.39 and 938,117.99
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Solution
The fourth proportional to 1,051,713.52, 1,453,816.39 and 938,117.99 is: 1,296,789.75
Step by Step Solution
- Step 1: Write the proportion equation
1,051,713.52 : 1,453,816.39 = 938,117.99 : x - Step 2: Convert to fraction form
1,051,713.52/1,453,816.39 = 938,117.99/x - Step 3: Cross multiply
1,051,713.52x = 1,453,816.39 × 938,117.99 - Step 4: Simplify right side
1,051,713.52x = 1,363,851,309,615.86 - Step 5: Solve for x
x = 1,363,851,309,615.86/1,051,713.52 - Step 6: Final answer
x = 1,296,789.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.